TY  - RPRT
TI  - Problems associated with mechanical heart valve sounds.
AU  - D Limb
AU  - P H Kay
AU  - A J Murday
PY  - 1992
DO  - 10.1016/1010-7940(92)90136-l
UR  - https://pubmed.ncbi.nlm.nih.gov/1449815/
ID  - 1449815
ER  -